Just modify the cmd_ipc_func function in player_demo to the following:
static void cmd_ipc_func(char *wbuf, int wbuf_len, int argc, char **argv)
{uint8_t vol_temp;if (argc == 3strcmp(argv[1], "play") ...
[color=red]Question: [/color] [color=red]Only in myzr, after source, can we find the compilation tool chain. Our insmod requires root. [/color] [b][color=black]Answer: [/color][/b] [b][color=black]It ...
[i=s]This post was last edited by uuxz99 on 2020-10-5 16:54[/i]The AT-START-F403A evaluation board is equipped with an external 16M-byte NOR QSPI Flash ( EN25QH128A ) . The large enough capacity and s...
The measurement statistics function of oscilloscope and its application in automated testingGenerally, oscilloscopes have automatic measurement functions, such as frequency, period, maximum value, min...
[i=s]This post was last edited by Tas_Lan on 2022-10-22 14:56[/i]fpm383C fingerprint module
Module Introduction
The HLK-FPM383C series fingerprint module has complete fingerprint processing capabiliti...
The low power consumption in stop mode should be UA level, but mine is MA level. I have been confused for a long time. Can anyone help me? The board is the core board, LED, ASM1117, crystal oscillator...
1. Overview I2C (IIC, Inter-Integrated Circuit), a two-wire serial bus, was developed by PHILIPS to connect microcontrollers and their peripherals. It is a serial bus composed of data line SD...[Details]
Recently, Guoxuan High-tech said in response to investors' questions: The company's semi-solid-state batteries meet customer needs and are expected to be installed on vehicles by the end of the year a...[Details]
Everyone is familiar with solar water heaters. In our daily life, this is an indispensable household item, and it has entered more and more households. Next, we will compare air-energy water heater...[Details]
Making accurate and safe measurements on power components, power semiconductors, and other electronic applications is difficult when the reference signal is floating rather than referenced to ground ...[Details]
Medical equipment using AC power may cause leakage due to improper grounding and electrical isolation, exposing patients and medical staff to danger. Leakage may also affect the performance of ot...[Details]
1. Test methods used to extract parameters. Only typical MOSFETs are listed, and the methods used for other devices are similar.
2. Model 2657A High Power System SourceMeter Instrument.
3. Mod...[Details]
1. Use proteus to draw a simple circuit diagram for subsequent simulation 2. Programming /*********************************************************************************************************...[Details]
1. Experimental Objectives
Learn to configure the SPI register and DMA register of STM32, realize the SPI1 and SPI2 communication functions of STM32, send one byte of data each time, and send multi...[Details]
Before simulation debugging of AVR series MCU, the fuse and lock bits of AVR must be configured first. If the configuration is improper, the MCU may not work properly, and in serious cases, it may ca...[Details]
This system uses AT89C51 single-chip microcomputer as the controller to realize the four-digit "+", "-", "*", "/" operation. The operation result is displayed through the digital tube and has a clear...[Details]
Shandong Development and Reform Energy No. 490
To all municipal development and reform commissions (energy bureaus), relevant units and enterprises:
In accordance with the "Notice on Iss...[Details]
August 11, 2022 – Mouser Electronics, the industry’s leading New Product Introduction (NPI) distributor offering the widest selection of semiconductors and electronic components™, announced today tha...[Details]
High-voltage soft start cabinet is a device used for high-voltage motor starting. Its main function is to reduce the current impact when the motor starts and extend the service life of the motor. T...[Details]